Question about 1995 Jeep Grand Cherokee

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Jeep is emitting a white substance around the manifold. Looks like something expolded. It was over heating. What can it be?

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Sounds like a cracked block.

Posted on Jun 23, 2009

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The cylinder head gasket seems to have blown and the oil has mixed with water thus the whitish substance.

Posted on Jun 23, 2009


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1997 jeep cherokee country white smoke under hood, runs good, does not run hot

White smoke is usually burning coolant.
You should be loosing a fluid, something has to be burning to make the smoke.
It could be a very slight drip onto the hot exhaust manifold or pipe if it is only happening from under the hood.

Oct 03, 2012 | 1997 Jeep Cherokee Country


Cheapest Real Power Gain For a Jeep with the 4.0 L6

Hello. If you're anything like me, you're always looking to squeeze a little bit more power out of your ride. Whether it be for racing, comfort, or even safety, more power is always better, especially without sacrificing fuel economy, which we all know is a huge factor.

I have a power improvement secret for all Jeep vehicles prior to 1999 (some up to 06.)

If you replace your factory intake manifold with one from a newer Jeep, bam! you get more power. Here are the specifics:

In 1998, when the standards for fuel efficiency were increasing, and the Grand Cherokee was about to debut its newest generation, something had to be done with the 4.0 inline six cylinder that Jeep used across its lineup. It was not going to meet EPA regulations without some tweakage. So, one of the major points of change was the intake manifold.

This is an actual image from my install. The top intake manifold is off of a 2002 Jeep Grand Cherokee with the 4.0. It has been painted with high-heat black. The bottom one is off of my 1996 Jeep Grand Cherokee with the 4.0. Notice the difference in design. The newer manifold is less angular, allowing more air to enter the engine without getting caught up in the manifold. This free flowing design helps free up a few hidden horsepower. For what I paid ($50,) and the increase I felt (upwards of 8hp,) this is definitely the most cost effective, and little known about modification for increasing power in your Jeep 4.0.

on Jul 10, 2010 | Jeep Grand Cherokee Cars & Trucks

2 Answers

The oxygen sensor is hanging out of the manifold, due to threads messed up. Can this be drilled in tapped to put back in or does manifold and oxygen sensor need to be completely replaced? Is it okay to...

I would be inclined to run the tap in first before drilling as this might just clean up the threads enough to be able to refit the sensor. when tapping remember the manifold might be very hard due to heat so be carefull not to break the tap. If that doesnt work then you use to be able to get thread inserts (use to get them for stripped out spark plugs) but I dont know if you still can. You could always try a scrap yard (dont know where you are but in UK they are called scrap yards) for a second hand manifold.

Feb 01, 2011 | 1988 Jeep Cherokee

2 Answers

There is a white creamy substance around the oil cap what would cause this

The white creamy solution is oil mixed with water. Take out your dipstick and check for the same substance, if so, you have a blown head gasket. If not, it's just condensed water in your valve cover that mixes with the oil, witch isn't really a problem. Have a nice day!

Dec 14, 2010 | 1999 Volkswagen Beetle

3 Answers

2000 jeep cherokee does not heat or defrost fan

the oily substance you talk about is antifreeze, your heater core is damaged and leaking in the form of mist and going to your windshield you must replace your heater core in the dash generally behind the glove box.

Feb 05, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Is replacing the head gaskets on a 1992 eldorado a diy, replaced the sensors temperature is still hot 192-228

before ripping off half ur top end make sure its not something else-to answer ur question if ur not afraid to remove distributor/intake manifold /exhaust manifold /wires/vacuum hoses and head no problem ur a shadetree mechanic but be4 u do check ur oil if it looks like chocolate milk and over full and blowing white smoke continuously out exhaust and loosing coolant u have a blown gasket as to over heating look at possibles of water pump- fan- fan clutch-partial clogged radiator- just getting hot doesnt indicate head gasket

Oct 25, 2009 | 1992 Cadillac Eldorado

1 Answer

Lexus ES300 White smoke out the exhaust no milky substance in oil

It could be the intake gaskets or even still the head gasket. How about the coolant ? Did you refill with same type coolant ? Have you noticed if it's thick and gooey ? mixing coolants will sometimes produce a thick gooey coolant that clogs up the cooling system. If the car ran hot it could also be a cracked head or block. Warped heads also. Somehow the coolant seems to be getting into the cylinder(s).

Feb 08, 2009 | 1992 Lexus Es 300

2 Answers

Heating system outlets

1st, the fuse location is marked, what is the 20 Amp fuse for? 2nd, did the smoke have a nauseating sweet smell to it? If it smells like described it is the heater core leaking, coolant steam looks like smoke.

Nov 02, 2008 | 1994 Jeep Grand Cherokee

3 Answers

Exhaust Manifold

Not familar with the jeeps, does the EGR tube run into the mainfold its self?

Oct 22, 2008 | 1997 Jeep Tj

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